Dona Ana County, NM Demographics

Population 224,266 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Dona Ana County, NM map of median age by neighborhood
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Population and households in Dona Ana County

Household size in Dona Ana County

Household size, people per household
PeriodDona Ana CountyNew MexicoU.S.
2006–102.802.712.68
2010–142.842.772.73
2015–192.752.712.71
2020–242.702.632.65
Change−0.10−0.07−0.03
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At 2.70 people per household, Dona Ana County sits close to the national average of 2.65. Household size has dropped from 2.80 in 2006–10, a much bigger shift than nationally. Households are largest in the southeast and smallest in the center.

Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).

Median age in Dona Ana County

Median age, years
PeriodDona Ana CountyNew MexicoU.S.
2006–1034.437.437.7
2010–1434.438.238.6
2015–1935.339.339.6
2020–2435.840.540.1
Change+1.3+3.2+2.3
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With a median age of just 35.8, Dona Ana County is far younger than the country as a whole (40.1), a population that tilts toward young adults and children. The median age has climbed from 34.4 in 2006–10, as it has nationally. Residents skew youngest in the north and oldest in the west.

Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).

Single-parent households in Dona Ana County

Single-parent households, % of households
PeriodDona Ana CountyNew MexicoU.S.
2006–1014.4%14.2%12.3%
2010–1415.8%14.6%12.3%
2015–1914.9%13.6%11.6%
2020–2415.7%14.4%11.6%
Change+1.2 pts+0.1 pts−0.6 pts
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Single parents head nearly one in six households in Dona Ana County (15.7%), well above the national share of 11.6%. The single-parent share is up 1.2 points from 2006–10, even as the national share fell.

Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).

Housing in Dona Ana County

Renters in Dona Ana County

Renters, % of occupied homes
PeriodDona Ana CountyNew MexicoU.S.
2006–1034.5%30.4%33.3%
2010–1435.3%31.8%35.6%
2015–1936.9%32.3%36.0%
2020–2434.5%30.0%34.8%
Change+0.1 pts−0.3 pts+1.5 pts
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Just over a third of households in Dona Ana County rent their homes (34.5%), close to the national share of 34.8%. Renters make up a bigger share here than in New Mexico as a whole (30.0%). About half of owners (49.5%) have paid off their mortgages, above the national share of 39.8%. Renting is most common in the center and least common in the northwest.

Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).

Vacant homes in Dona Ana County

Vacant homes, % of all homes
PeriodDona Ana CountyNew MexicoU.S.
2006–1010.3%13.6%11.4%
2010–1410.6%14.2%11.4%
2015–1912.1%15.2%11.1%
2020–2410.6%11.9%9.6%
Change+0.3 pts−1.6 pts−1.8 pts
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Vacancy in Dona Ana County is close to the national rate: 10.6% of homes are empty, against 9.6%. Dona Ana County has a lower vacancy rate than the great majority of New Mexico counties.

Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).

Age of homes in Dona Ana County

Age of homes, median year built
PeriodDona Ana CountyNew MexicoU.S.
2006–10198719801974
2010–14198719811975
2015–19198819821977
2020–24199119851980
Change+4+4+6
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Dona Ana County has newer housing than the country as a whole: the median home was built in 1991, versus 1980 nationally. The median year built has moved up from 1987 in 2006–10, a sign of steady new building. The newest homes are mostly in the north, the oldest in the center. Only one other New Mexico county has newer homes.

Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).

Rent in Dona Ana County

Rent, per month
PeriodDona Ana CountyNew MexicoU.S.
2006–10$700$777$965
2010–14$793$866$1,040
2015–19$846$943$1,213
2020–24$1,087$1,188$1,571
Change+$387+$411+$606
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Rent in Dona Ana County runs $1,087 a month at the median, utilities included, well below the U.S. median of $1,571. Rent has climbed $387 a month since 2006–10, up 55%, a slower climb than the nation's. Rent takes 32.1% of the typical renter's income, just over the 30% mark often used to define affordable rent. Rents run highest in the north and lowest in the south.

Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).

Education in Dona Ana County

Bachelor's degrees in Dona Ana County

Bachelor's degrees, % of adults 25+
PeriodDona Ana CountyNew MexicoU.S.
2006–1025.7%25.0%28.4%
2010–1427.8%25.5%29.6%
2015–1926.9%26.7%32.1%
2020–2431.6%30.2%35.6%
Change+5.9 pts+5.2 pts+7.2 pts
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Just over three in ten adults 25 and older in Dona Ana County (31.6%) have a bachelor's degree or higher, a little below the national share of 35.6%. The share with a degree has risen 5.9 points since 2006–10, in line with the national trend. College graduates are most concentrated in the north and least in the southeast.

Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

High school graduates in Dona Ana County

High school graduates, % of adults 25+
PeriodDona Ana CountyNew MexicoU.S.
2006–1075.7%82.3%84.9%
2010–1478.3%83.5%86.1%
2015–1979.7%85.1%87.7%
2020–2483.6%87.5%89.3%
Change+7.8 pts+5.2 pts+4.3 pts
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About one in six adults in Dona Ana County never finished high school, well above the national share: only 83.6% have a diploma or equivalent, against 89.3% nationally. The share with a diploma has risen 7.8 points since 2006–10, as it has nationally.

High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

Jobs in Dona Ana County

Unemployment, % of the labor force
PeriodDona Ana CountyNew MexicoU.S.
2006–108.4%7.3%8.1%
2010–1411.8%9.7%9.4%
2015–197.7%6.8%5.6%
2020–246.7%6.0%5.4%
Change−1.7 pts−1.3 pts−2.7 pts
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Unemployment runs high in Dona Ana County: 6.7% of the labor force was out of work and looking, against 5.4% nationally. Unemployment is down 1.7 points from 2006–10, mirroring the country. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's job market.

Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).

Dona Ana County compared with nearby counties

CountyHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Dona Ana County2.7035.815.7%34.5%10.6%1991$1,08731.6%83.6%6.7%
Luna County2.7738.020.5%29.1%20.4%1981$79715.9%75.6%5.4%
Hidalgo County2.6843.114.5%19.2%33.2%1977$80317.9%87.3%3.6%
Andrews County2.7532.413.3%21.5%6.1%1982$1,24618.0%76.4%2.9%
Pima County2.4841.711.3%34.8%9.1%1987$1,47936.4%90.3%5.3%
Martin County2.6537.223.9%21.9%7.5%1975$99316.4%78.9%8.1%
Howard County2.4637.914.9%30.5%15.0%1968$1,05616.0%81.9%5.6%
Mitchell County2.8238.38.5%21.3%25.2%1961$59714.0%84.9%4.0%
Callahan County2.7443.68.0%19.1%19.6%1978$79125.1%92.8%4.8%
Eastland County2.4540.011.2%28.4%24.1%1966$86623.2%83.0%4.3%
Erath County2.4233.28.7%36.9%10.1%1990$1,24328.9%88.6%6.1%

All figures 2020–24.

Counties with similar populations: Hinds County, MS · Shelby County, AL · Saratoga County, NY · Santa Cruz County, CA · San Luis Obispo County, CA · Richmond County, GA · Calcasieu Parish, LA · Canyon County, ID · Montgomery County, AL · Champaign County, IL

About these numbers

Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Dona Ana County. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.

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